Sv mapcheck
From FTE
Name: sv_mapcheck
Default value: "1"
Cvar flags: None
FTEQW Builds: Software Renderer OpenGL Renderer Dedicated Server Merged Build Linux Build
0 = Disable.
1 = Enable map checksumming to check for players who edit maps to cheat.
Note: A player who has edited his map files to cheat by removing textures
from walls will not be able to join the server and play.